[modeleng] Re: unknown thread
- From: "alanjstepney" <alan@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
- To: <modeleng@xxxxxxxxxxxxx>
- Date: Fri, 15 Oct 2004 12:18:45 +0100
(Use a big enough spanner and 1/4" BSF will do for any of 'em.)
Whilst talking about unusual threads, there was a Whitworth for microscope
and telescope eyepieces, and similar optical equipment. It was probably also
used on anything where a very fine thread on a large diameter tube was
required.
In that respect it is different from the Whitworth Instrument thread which
is of small diameter.
Has any one any details of this large Whitworth thread?
alan@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
www.alanstepney.info
Model Engineering, Steam Engine, and Railway technical pages.
----- Original Message -----
From: "Tim Rickard" <the_viffer@xxxxxxxxxxx>
To: <modeleng@xxxxxxxxxxxxx>
Sent: Friday, October 15, 2004 11:53 AM
Subject: [modeleng] Re: unknown thread
Terry both M6 and 0BA are 6mm dia 1 mm pitch but on account of people hating
to leave well alone they are on account of the different thread form not
compatible.
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